LTM4644 datasheet(24/32 Pages) LINER

24 / 32 page

LTM4634

4634f

For more information www.linear.com/LTM4634

applicaTions inForMaTion

Table 2. 3.3V Output

DERATING CURVE

VIN (V)

POWER LOSS CURVE

AIR FLOW (LFM)

HEAT SINK

θJA (°C/W)

Figures 15, 19

12, 24

Figures 8 to 13

None

9.0

Figures 15, 19

12, 24

Figures 8 to 13

200

None

7.5

Figures 15, 19

12, 24

Figures 8 to 13

400

None

6.5

Figures 14, 18

12, 24

Figures 8 to 13

BGA Heat Sink

9.0

Figures 14, 18

12, 24

Figures 8 to 13

200

BGA Heat Sink

6.5

Figures 14, 18

12, 24

Figures 8 to 13

400

BGA Heat Sink

6.0

Table 3. 5V Output

DERATING CURVE

VIN (V)

POWER LOSS CURVE

AIR FLOW (LFM)

HEAT SINK

θJA (°C/W)

Figures 17, 20

12, 24

Figures 8 to 13

None

9.0

Figures 17, 20

12, 24

Figures 8 to 13

200

None

7.5

Figures 17, 20

12, 24

Figures 8 to 13

400

None

6.5

Figures 16, 21

12, 24

Figures 8 to 13

BGA Heat Sink

9.0

Figures 16, 21

12, 24

Figures 8 to 13

200

BGA Heat Sink

6.5

Figures 16, 21

12, 24

Figures 8 to 13

400

BGA Heat Sink

6.0

Heat Sink Manufacturer Part Number Website

Aavid Thermalloy

375424B00034G

www.aavid.com

Cool Innovations

4-050503P to

4-050508P

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